☣️ UN 2761 • CLASS 6
UN 2761 — Organochlorine pesticide, solid, poisonous
Placard: Toxic. ERG Guide 151. Training/quick-reference only — use current ERG + SOP/SOG for incident-specific actions.
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⚠️ This page is a quick-reference aid. For real incidents: stage upwind, isolate, deny entry, request Hazmat early, and consult the current ERG + SOP/SOG.
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UN 2761 Quick Details
UN 2761
Product name: Organochlorine pesticide, solid, poisonous
DOT Class: 6
Placard type: Toxic
ERG Guide: 151 (check current ERG)
Initial isolation: ERG 151: isolate spill area immediate 25m (75 ft) all directions; for large spill isolate 100m (330 ft) all directions; evacuate immediate area if fire involved
Common Hazards of UN 2761
- Highly toxic, may be fatal if inhaled, ingested or absorbed through skin.
- Avoid any skin contact.
- Fire may produce irritating, corrosive and/or toxic gases.
- Runoff from fire control or dilution water may be corrosive and/or toxic and cause environmental
- Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive
- Containers may explode when heated.
- Runoff may pollute waterways.
Chemical Identity & Physical Properties
| Also known as | Chlorinated hydrocarbon pesticideChlorinated organic pesticideOrganochlorine insecticide solidChlorinated pesticide solid |
| Appearance | Solid material ranging from white to tan crystalline powder or granules, may have a mild aromatic or chlorine-like odor. Physical appearance varies depending on specific organochlorine compound. |
| Flash Point | Not applicable (solid, varies by formulation) |
| Boiling Point | Not applicable (solid formulation, decomposes before boiling) |
| Vapor Density | Not applicable (solid) |
| Water Reactivity | No significant reaction with water, though may leach toxic compounds |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Fireground Response Guidance — UN 2761
Extinguishing Media
Dry chemical, CO2, water spray acceptable for fire control
PPE Requirements
⚠️ Level B minimum with SCBA required; impervious gloves and suit essential to prevent skin absorption; highly toxic through all routes of exposure
Isolation & Evacuation
ERG 151: isolate spill area immediate 25m (75 ft) all directions; for large spill isolate 100m (330 ft) all directions; evacuate immediate area if fire involved
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 151).
First Actions for a UN 2761 Incident
- CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper
- Keep unauthorized personnel away.
- Stay upwind, uphill and/or upstream.
- Isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters
- For highlighted materials: see Table 1 - Initial Isolation and Protective Action Distances.
- For non-highlighted materials: increase the immediate precautionary measure distance, in the downwind
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📋 Copy & Share Field Card
UN 2761 — Organochlorine pesticide, solid, poisonoHAZMAT RADIO NOTE — UN 2761
Product: Organochlorine pesticide, solid, poisonous
Class 6 / Toxic / ERG 151
PPE: Level B minimum with SCBA required; impervious gloves and suit essential to prevent skin absorption; highly toxic through all routes of exposure
ISOLATION: ERG 151: isolate spill area immediate 25m (75 ft) all directions; for large spill isolate 100m (330 ft) all directions; evacuate immediate area if fire involved
ACTION: Stage upwind · Isolate · Deny entry · Request HazmatRADIO
Use for: Quick radio or face-to-face size-up. Short, structured, field-ready.
=== IC HAZMAT BRIEFING ===
UN 2761 — Organochlorine pesticide, solid, poisonous
Class: 6 | Placard: Toxic | ERG Guide: 151
Appearance: Solid material ranging from white to tan crystalline powder or granules, may have a mild aromatic or chlorine-like odor. Physical appearance varies depending on specific organochlorine compound.
Water Reactivity: No significant reaction with water, though may leach toxic compounds
Extinguishing: Dry chemical, CO2, water spray acceptable for fire control
PPE: Level B minimum with SCBA required; impervious gloves and suit essential to prevent skin absorption; highly toxic through all routes of exposure
Isolation: ERG 151: isolate spill area immediate 25m (75 ft) all directions; for large spill isolate 100m (330 ft) all directions; evacuate immediate area if fire involved
— Key Hazards —
• Highly toxic, may be fatal if inhaled, ingested or absorbed through skin.
• Avoid any skin contact.
• Fire may produce irritating, corrosive and/or toxic gases.
— First Actions —
• CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper
• Keep unauthorized personnel away.
• Stay upwind, uphill and/or upstream.
• Isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters
SOURCE: allfirefighter.com/hazmat/un/2761 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN2761 Organochlorine pesticide, solid, poisonous Cls6 ERG151 | allfirefighter.com/hazmat/un/2761SMS / 160 CHAR
Use for: Quick text to command or incoming units. Fits in a single SMS. Includes link to full page.
⚠️ Quick-reference only. Always use current ERG + SOP/SOG for incident-specific actions.
Page: https://allfirefighter.com/hazmat/un/2761
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Frequently Asked Questions about UN 2761
Highly toxic, may be fatal if inhaled, ingested or absorbed through skin. Avoid any skin contact. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause environmental Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive Containers may explode when heated. Runoff may pollute waterways.
CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper Keep unauthorized personnel away. Stay upwind, uphill and/or upstream.
Level B minimum with SCBA required; impervious gloves and suit essential to prevent skin absorption; highly toxic through all routes of exposure
Water reactivity: No significant reaction with water, though may leach toxic compounds. Recommended extinguishing: Dry chemical, CO2, water spray acceptable for fire control.
ERG Guide 151 recommendation: ERG 151: isolate spill area immediate 25m (75 ft) all directions; for large spill isolate 100m (330 ft) all directions; evacuate immediate area if fire involved
No. This is a training/quick-reference aid only. Always consult the current ERG Guide 151 and your department SOP/SOG for incident-specific protective actions.
Sources (high level): DOT/PHMSA marking & class concepts + ERG usage principles.
This page does not reproduce ERG guide text—always consult the current ERG for incident-specific protective actions.